National Stock Number
4240-01-253-2045
National Stock Number (NSN) 4240-01-253-2045, or NIIN 012532045, (clamp,speed,respirator) was assigned April 14, 1987 in the Federal Logistics Information System (FLIS). NIIN 012532045 was cancelled on November 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4730005858621. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 77777. This item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240012532045 does not contain precious metals.
This information was last updated on Aug 01, 2025.